In PIM-DM networking, which of the following is correct about the router sending the Prune message?

In PIM-DM networking, which of the following is correct about the router sending the Prune message?
A . When the router has no local directly connected multicast receiver, it sends a Prune message to all PIM neighbors.
B . When the outbound interface list in the router (S, G) table is empty, a Prune message is sent to all PIM neighbors.
C . The party that fails the Assert will send a
D . After the router interface receives the Prune message, it will no longer send messages of the corresponding multicast group on this interface.

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Answer: C